def custom_formstyle(form, fields):
col_label_size = 4
label_col_class = "col-sm-%d" % col_label_size
col_class = "col-sm-%d" % (12 - col_label_size)
offset_class = "col-sm-offset-%d" % col_label_size
parent = TABLE(_class='table table-sm',
_style='margin-top: 1.5rem')
for id, label, controls, help in fields:
# wrappers
_help = SPAN(help, _class='help-block')
# embed _help into _controls
_controls = DIV(controls, _help, _class="%s" % (col_class))
if isinstance(controls, INPUT):
if controls['_type'] == 'submit':
controls.add_class('btn btn-primary')
_controls = DIV(controls, _class="%s %s" %
(col_class, offset_class))
if controls['_type'] == 'button':
controls.add_class('btn btn-secondary')
elif controls['_type'] == 'file':
controls.add_class('input-file')
elif controls['_type'] in ('text', 'password'):
controls.add_class('form-control')
elif controls['_type'] == 'checkbox' or controls['_type'] == 'radio':
controls.add_class('form-check-input')
label.add_class('form-check-label')
label.insert(0, controls)
_controls = DIV(
DIV(label, _help, _class="form-check"), _class="%s" % col_class)
label = DIV(_class="sm-hidden %s" % label_col_class)
elif isinstance(controls, SELECT):
controls.add_class('custom-select')
elif isinstance(controls, TEXTAREA):
controls.add_class('form-control')
elif isinstance(controls, SPAN):
_controls = P(controls.components,
_class="form-control-plaintext %s" % col_class)
elif isinstance(controls, UL):
for e in controls.elements("input"):
e.add_class('form-control')
elif isinstance(controls, CAT) and isinstance(controls[0], INPUT):
controls[0].add_class('form-control')
if isinstance(label, LABEL):
label.add_class(
'form-control-label font-weight-bold %s' % label_col_class)
parent.append(
DIV(label, _controls, _class='form-group row', _id=id))
return parent
